Security barrier

Abstract

A security barrier ( 10 ) comprises a first fence ( 20 ) and a second fence ( 40 ). The first fence comprises a first series of posts ( 22 ) and the second fence comprises a second series of posts ( 42 ). The first and second fences are provided adjacent to each other with the first fence being coupled below ground level with a the second fence. A footing having first and second post sockets is also provided for receiving a first post from each of the first and second fences respectively.

1 - 17 . (canceled) 
     
     
         18 . A security barrier comprising:
 a first fence having a first series of posts;   a second fence having a second series of posts, the first and second fences being adjacent to each other; and   a plurality of common footings, each footing having a first post socket for receiving a first post from the first fence and a second post socket for receiving a first post from the second fence, the first and second post sockets separated from one another by a distance,   wherein, for at least a portion of the security barrier, the common footings couple the first and second fences to one another below ground level and the first and second fences extend in substantially a same direction as each other.   
     
     
         19 . The barrier of  claim 18 , wherein the coupling between the first and second fences is provided between the first post socket and the second post socket. 
     
     
         20 . The barrier of  claim 18  wherein the footing is formed of concrete. 
     
     
         21 . The barrier of  claim 18 , wherein the first post socket and/or the second post socket is a liner provided within the footing. 
     
     
         22 . The barrier of  claim 18 , wherein the first and second post sockets are of different dimensions. 
     
     
         23 . The barrier of  claim 18 , further comprising a connector for connecting the first post of the first fence with the first post of the second fence within the footing. 
     
     
         24 . The barrier of  claim 23 , wherein the connector comprises one or more bolts connecting the respective posts of the first fence and the second fence. 
     
     
         25 . The barrier of  claim 18 , further comprising a spacer for separating the first post socket from the second post socket within the footing. 
     
     
         26 . The barrier of  claim 18 , wherein the first posts of the first and second fences are separated by a distance of about 2 cm to 10 cm. 
     
     
         27 . The barrier of  claim 26 , wherein the first posts of the first and second fences are separated by a distance of about 5.5 cm. 
     
     
         28 . The barrier of  claim 18  wherein the first fence is an anti-personnel fence configured to prevent access from personnel and the second fence is a vehicle mitigating fence configured to withstand an impact from a vehicle. 
     
     
         29 . The barrier of  claim 28 , wherein the anti-personnel fence is situated with respect to the vehicle mitigating fence such that the anti-personnel fence will be impacted first in the event of an impact by a vehicle. 
     
     
         30 . The barrier of  claim 18 , wherein the second fence comprises a plurality of wire ropes supported on the second series of posts. 
     
     
         31 . The barrier of  claim 30 , wherein at least one of the plurality of ropes terminates in a ground terminal. 
     
     
         32 . The barrier of  claim 31 , wherein a last post in the second series of posts comprises a support provided on or within the post for supporting at least one of the plurality of ropes. 
     
     
         33 . The barrier of  claim 32 , wherein the ropes of the second fence enter the ground terminal from an end post at an angle that such that a separation of the first and second fences remains substantially constant. 
     
     
         34 . A security barrier comprising:
 first and second spaced apart fences, at least a portion of the first and second fences extending in substantially the same direction as one another, the first and second fences each defined, in part by posts,   wherein at least some of the respective posts of the first and second fences are coupled to one another below a ground level.   
     
     
         35 . The security barrier of  claim 34  wherein one of the fences is an anti-personnel barrier and the other fence is a vehicle mitigating fence. 
     
     
         36 . The security barrier of  claim 34  wherein the first and second fences are coupled to one another by footings disposed so as to secure respective posts of the first and second fences to each other in a spaced relationship. 
     
     
         37 . The security barrier of  claim 36  wherein the footings include sleeves for receiving the respective posts of the first and second fences, the sleeves being formed from a material different from a material of the footings.